Home / 671,658.45-1,007,485.40-272,298.29

Finding the Fourth Proportional to 671,658.45, 1,007,485.40 and 272,298.29

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Solution

The fourth proportional to 671,658.45, 1,007,485.40 and 272,298.29 is: 408,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,658.45 : 1,007,485.40 = 272,298.29 : x
  2. Step 2: Convert to fraction form
    671,658.45/1,007,485.40 = 272,298.29/x
  3. Step 3: Cross multiply
    671,658.45x = 1,007,485.40 × 272,298.29
  4. Step 4: Simplify right side
    671,658.45x = 274,336,545,221.05
  5. Step 5: Solve for x
    x = 274,336,545,221.05/671,658.45
  6. Step 6: Final answer
    x = 408,446.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.